4. -It’s too hot. Would you mind _______ the door?
-_______. Please do it now.
A. to open, OK B. opening, Certainly not
C. opening, Of course D. to open, Good idea
[解析]此题陷阱选项为A。一方面是由于不了解mind的用法,另一方面的由于忽略造成的。mind后面接动词时要用其ing形式。由答语中的Please do it now. 可知“不介意”。正确答案为B。